there are 13,983,816 combinations.
15487877842540 to be precise
30
24
252 combinations, :)
10 * * * * * That is just plain wrong! It depends on how many numbers in each combination but there are 1 combination of 4 numbers out of 4, 4 combinations of 3 numbers out of 4, 6 combinations of 2 numbers out of 4, 4 combinations of 1 number out of 4. A grand total of 15 (= 24-1) combinations.
120
56 combinations. :)
If the numbers can be repeated and the numbers are 0-9 then there are 1000 different combinations.
There are 167960 9 digits combinations between numbers 1 and 20.
The number of combinations of six numbers that can be made from seven numbers will depend on if you can repeat numbers. In all there are over 2,000 different numbers that can be made.
Number of combinations = 45C6 = 45!/6!(45-6)! = 8,145,060
15487877842540 to be precise
30
362,880 1x2x3x4x5x6x7x8x9=362,880
1
Their is 25 combinations
There are 8C6 = 8*7/(2*1) = 28 combinations.